प्रश्न और उत्तर का अभ्यास करें

प्र: Which tag is used to display the numbered list?   1) 
    2) 
  •      3) 
        4) 
    1144 0

    • 1
      1
      सही
      गलत
    • 2
      2
      सही
      गलत
    • 3
      3
      सही
      गलत
    • 4
      4
      सही
      गलत
    • उत्तर देखेंउत्तर छिपाएं
    • Workspace

    उत्तर : 1. "1"
    व्याख्या :

    Answer: A) 1 Explanation: Use HTML tag

      element to define an ordered list. Use the HTML type attribute to define the numbering type. Use the HTML
    1. element to define a list item. Use the HTML
      element to define a description list.   Hence, as numbered list come under ordered list tag
        tag is used for numbered list.

    प्र: Multiplicative inverse of 7? 1121 0

    • 1
      1
      सही
      गलत
    • 2
      -1/7
      सही
      गलत
    • 3
      0
      सही
      गलत
    • 4
      1/7
      सही
      गलत
    • उत्तर देखेंउत्तर छिपाएं
    • Workspace

    उत्तर : 4. "1/7"
    व्याख्या :

    Answer: D) 1/7 Explanation: Multiplicative inverse is nothing but a reciprocal of a number.  It is defined as one of a pair of numbers that when multiplied with another number equals the number 1. Multiplicative inverse or reciprocal of 7 is  7 x n = 1 => n = 1/7.   Hence, Multiplicative inverse or reciprocal of 7 is  1/7.

    प्र: Fa Hien visited india during the reign of 1829 0

    • 1
      Harshavardhana
      सही
      गलत
    • 2
      Chandragupta Maurya
      सही
      गलत
    • 3
      Ashoka
      सही
      गलत
    • 4
      Chandragupta Vikramaditya
      सही
      गलत
    • उत्तर देखेंउत्तर छिपाएं
    • Workspace

    उत्तर : 4. "Chandragupta Vikramaditya"
    व्याख्या :

    Answer: D) Chandragupta Vikramaditya Explanation: Fahien came to India during the reign of Chandragupta Vikramaditya.

    प्र: What has teeth but cannot bite? 3158 0

    • 1
      Comb
      सही
      गलत
    • 2
      Saw
      सही
      गलत
    • 3
      Zipper
      सही
      गलत
    • 4
      Gear
      सही
      गलत
    • उत्तर देखेंउत्तर छिपाएं
    • Workspace

    उत्तर : 1. "Comb"
    व्याख्या :

    Answer: A) Comb Explanation: Saw, Zipper and Gear have teeth but can bite us. Comb have teeth but cannot bite.

    प्र: What are the reactants in a chemical reaction? 1392 0

    • उत्तर देखेंउत्तर छिपाएं
    • Workspace

    उत्तर :
    व्याख्या :

    In a chemical reaction, substances (elements or compounds) called reactants are changed into other substances (compounds or elements) called products. Hence, reactants are those which start the chemical reaction.   For example: 1. In the burning of natural gas, methane (CH4) and oxygen (O2) are the reactants in the chemical reaction. are the substances formed by a chemical reaction. In the burning of natural gas, carbon dioxide (CO2) and water (H2O) are the products formed by the reaction.   2. H2+O2 ----> H2O Here H2 & O2 are called Reactants and H2O is called Product.

    प्र: Blotting paper absorbs ink due to 3699 0

    • 1
      Capillary action phenomenon
      सही
      गलत
    • 2
      Diffusion of ink through the blotting
      सही
      गलत
    • 3
      Siphon action
      सही
      गलत
    • 4
      Viscosity of ink
      सही
      गलत
    • उत्तर देखेंउत्तर छिपाएं
    • Workspace

    उत्तर : 1. "Capillary action phenomenon"
    व्याख्या :

    Answer: A) Capillary action phenomenon Explanation: Blotting paper absorbs ink by the process of capillary action. The capillary action is based on the property of surface tension of liquid.   All unsized paper will absorb water. Blotting paper is not sized and made bulkier to provide capillary action for faster absorption of liquid.   Blotting paper has also been sold as a cosmetic to aid in the removal of skin oils and makeup.

    प्र: What is x squared plus x squared? 1488 0

    • 1
      4x
      सही
      गलत
    • 2
      2x^2
      सही
      गलत
    • 3
      x^4
      सही
      गलत
    • 4
      2x
      सही
      गलत
    • उत्तर देखेंउत्तर छिपाएं
    • Workspace

    उत्तर : 2. "2x^2"
    व्याख्या :

    Answer: B) 2x^2 Explanation: In an algebraic expression, like terms are terms that contain the same variables raised to the same powers. Calculating x-squared plus x-squared is a matter of combining like terms.  Now x^2 + x^2 = 2x^2   Hence, x-squared plus x-squared is equal to 2 times x squared.

    प्र: The state of california uses a mechanism known as 1914 0

    • 1
      NOTS
      सही
      गलत
    • 2
      BOTS
      सही
      गलत
    • 3
      LOTS
      सही
      गलत
    • 4
      POTS
      सही
      गलत
    • उत्तर देखेंउत्तर छिपाएं
    • Workspace

    उत्तर : 1. "NOTS"
    व्याख्या :

    Answer: A) NOTS Explanation: The state of California uses a mechanism known as NOTS.   NOTS stands for Negligent Operator Treatment System.   What is this: It is a program that is known to rehabilitate chronic violators of the driving laws in California. It consists of a series of computer generated warning letters and sanctions against violators. It affects drivers with age 18 years old and above in California.   How it works: The actions in this program are based on "negligent operator points" that is being recorded every time period. These are added continuously until it reaches a certain degree which it needs an administrative hearing. Points are being assigned depending on the degree of the offense. It would range from zero to three points.

        त्रुटि की रिपोर्ट करें

      कृपया संदेश दर्ज करें
      त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

        त्रुटि की रिपोर्ट करें

      कृपया संदेश दर्ज करें
      त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

        त्रुटि की रिपोर्ट करें

      कृपया संदेश दर्ज करें
      त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

        त्रुटि की रिपोर्ट करें

      कृपया संदेश दर्ज करें
      त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

        त्रुटि की रिपोर्ट करें

      कृपया संदेश दर्ज करें
      त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

        त्रुटि की रिपोर्ट करें

      कृपया संदेश दर्ज करें
      त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

        त्रुटि की रिपोर्ट करें

      कृपया संदेश दर्ज करें
      त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

        त्रुटि की रिपोर्ट करें

      कृपया संदेश दर्ज करें
      त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई